/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.client.security;

import org.elasticsearch.client.Validatable;

import java.util.Arrays;

/**
 * The request used to clear the API key cache.
 */
public final class ClearApiKeyCacheRequest implements Validatable {

    private final String[] ids;

    /**
     * @param ids      An array of API Key ids to be cleared from the specified cache.
     *                 If not specified, all entries will be cleared.
     */
    private ClearApiKeyCacheRequest(String... ids) {
        this.ids = ids;
    }
    
    public static ClearApiKeyCacheRequest clearAll() {
        return new ClearApiKeyCacheRequest();
    }
    
    public static ClearApiKeyCacheRequest clearById(String ... ids) { 
        if (ids.length == 0) {
            throw new IllegalArgumentException("Ids cannot be empty");
        }  
        return new ClearApiKeyCacheRequest(ids);
     }

    /**
     * @return an array of key names that will be evicted
     */
    public String[] ids() {
        return ids;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o)
            return true;
        if (o == null || getClass() != o.getClass())
            return false;
        ClearApiKeyCacheRequest that = (ClearApiKeyCacheRequest) o;
        return Arrays.equals(ids, that.ids);
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(ids);
    }
}
